#ifndef DEFS
#define DEFS

#include<iostream>
#include<cstdio>
#include<fstream>
#include<cstdlib>
#include<vector>
#include<algorithm>
#include<limits>
#include <math.h>

#define forn(i,n) 	 for(int i=0; i<n; i++)
#define fornd(i,n) 	 for(int i=n; i>0; i--)
#define fornx(i,x,n) for(int i=x; i<n; i++)

#define MAX 15955

using namespace std;

typedef vector<double>  vdouble;
typedef vector<vdouble> vvdouble;

typedef vdouble  Vector;
typedef vvdouble Matriz;

#endif 
